FR2443424A1 - Uranate de sodium - Google Patents

Uranate de sodium

Info

Publication number
FR2443424A1
FR2443424A1 FR7834581A FR7834581A FR2443424A1 FR 2443424 A1 FR2443424 A1 FR 2443424A1 FR 7834581 A FR7834581 A FR 7834581A FR 7834581 A FR7834581 A FR 7834581A FR 2443424 A1 FR2443424 A1 FR 2443424A1
Authority
FR
France
Prior art keywords
uranate
sodium uranate
sodium
carr
grains
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
FR7834581A
Other languages
English (en)
Other versions
FR2443424B1 (fr
Inventor
Jacques Dugua
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Produits Chimiques Ugine Kuhlmann
Ugine Kuhlmann SA
Original Assignee
Produits Chimiques Ugine Kuhlmann
Ugine Kuhlmann SA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Produits Chimiques Ugine Kuhlmann, Ugine Kuhlmann SA filed Critical Produits Chimiques Ugine Kuhlmann
Priority to FR7834581A priority Critical patent/FR2443424A1/fr
Priority to DE7979400918T priority patent/DE2962845D1/de
Priority to EP79400918A priority patent/EP0014296B1/fr
Priority to CA341,505A priority patent/CA1124988A/fr
Priority to BR7908001A priority patent/BR7908001A/pt
Priority to ZA00796653A priority patent/ZA796653B/xx
Priority to MA18871A priority patent/MA18669A1/fr
Priority to US06/101,235 priority patent/US4352857A/en
Publication of FR2443424A1 publication Critical patent/FR2443424A1/fr
Application granted granted Critical
Publication of FR2443424B1 publication Critical patent/FR2443424B1/fr
Granted legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G43/00—Compounds of uranium
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
    • Y10T428/256—Heavy metal or aluminum or compound thereof
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/29—Coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic fiber or mass thereof
    • Y10T428/2982—Particulate matter [e.g., sphere, flake, etc.]

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
  • Polyurethanes Or Polyureas (AREA)

Abstract

Uranate de sodium de manutention aisée caractérisé par la forme sphérique des grains, le diamètre moyen de ceux-ci compris entre 40 et 150 mu m, leur masse volumique apparente non tassée de 2,5 à 3,5 g/cm**3 et une coulabilité mesurée dans l'échelle CARR supérieure ou égale à 95. Procédé de fabrication de cet uranate.
FR7834581A 1978-12-08 1978-12-08 Uranate de sodium Granted FR2443424A1 (fr)

Priority Applications (8)

Application Number Priority Date Filing Date Title
FR7834581A FR2443424A1 (fr) 1978-12-08 1978-12-08 Uranate de sodium
EP79400918A EP0014296B1 (fr) 1978-12-08 1979-11-27 Uranate de sodium sous forme de particules sphériques ayant une bonne coulabilité et son procédé d'obtention
DE7979400918T DE2962845D1 (en) 1978-12-08 1979-11-27 Sodium uranate in the shape of spherical particles having a good flowability and process for its production
BR7908001A BR7908001A (pt) 1978-12-08 1979-12-07 Uranato de sodio de manutencao facilitada e processo de fabricacao do mesmo
CA341,505A CA1124988A (fr) 1978-12-08 1979-12-07 Sodium uranate
ZA00796653A ZA796653B (en) 1978-12-08 1979-12-07 Sodium uranate
MA18871A MA18669A1 (fr) 1978-12-08 1979-12-07 Uranate de sodium
US06/101,235 US4352857A (en) 1978-12-08 1979-12-07 Spherical crystalline sodium uranate and process of producing same by adjusting the uranium containing solution in crystallizer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7834581A FR2443424A1 (fr) 1978-12-08 1978-12-08 Uranate de sodium

Publications (2)

Publication Number Publication Date
FR2443424A1 true FR2443424A1 (fr) 1980-07-04
FR2443424B1 FR2443424B1 (fr) 1981-11-06

Family

ID=9215834

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7834581A Granted FR2443424A1 (fr) 1978-12-08 1978-12-08 Uranate de sodium

Country Status (8)

Country Link
US (1) US4352857A (fr)
EP (1) EP0014296B1 (fr)
BR (1) BR7908001A (fr)
CA (1) CA1124988A (fr)
DE (1) DE2962845D1 (fr)
FR (1) FR2443424A1 (fr)
MA (1) MA18669A1 (fr)
ZA (1) ZA796653B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010051855A1 (fr) * 2008-11-07 2010-05-14 Areva Nc Procede de preparation de concentres d'uranium par precipitation en lit fluidise, et preparation d'uo3 et d'u3o8 par sechage/calcination desdits concentres.

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2457257A1 (fr) * 1979-05-22 1980-12-19 Ugine Kuhlmann Uranate d'ammonium sous forme de particules spheriques ayant une bonne coulabilite et son procede d'obtention
US4621009A (en) * 1984-09-21 1986-11-04 Avery International Corporation Tear resistant plastic sheet for use in xerographic copiers

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1187352A (fr) * 1959-09-24 1959-09-10 Electrochimie Soc Procédé pour l'agglomération de cristaux
FR1210377A (fr) * 1958-09-23 1960-03-08 Commissariat Energie Atomique Perfectionnement au procédé de préparation de l'uranium par précipitation à l'état d'uranate de soude

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3126250A (en) * 1964-03-24 Process for the direct preparation of
US1814300A (en) * 1927-10-10 1931-07-14 Burnham Chemical Company Process of recovering supersaturants
US2346517A (en) * 1940-10-04 1944-04-11 J D & A B Spreckels Company Method of crystallizing material
US3215493A (en) * 1963-09-04 1965-11-02 Electro Chimie Metal Process of agglomerating fine crystals and cryolite product
US3892539A (en) * 1969-09-26 1975-07-01 Merck & Co Inc Process for production of crystals in fluidized bed crystallizers
US3758664A (en) * 1970-12-29 1973-09-11 Westinghouse Electric Corp Process for producing ammonium diuranate
UST909003I4 (en) 1972-03-22 1973-04-03 Hicks ett al pan granulation of urea
US3966873A (en) * 1973-11-01 1976-06-29 Westinghouse Electric Corporation Uranium complex recycling method of purifying uranium liquors

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1210377A (fr) * 1958-09-23 1960-03-08 Commissariat Energie Atomique Perfectionnement au procédé de préparation de l'uranium par précipitation à l'état d'uranate de soude
FR1187352A (fr) * 1959-09-24 1959-09-10 Electrochimie Soc Procédé pour l'agglomération de cristaux

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010051855A1 (fr) * 2008-11-07 2010-05-14 Areva Nc Procede de preparation de concentres d'uranium par precipitation en lit fluidise, et preparation d'uo3 et d'u3o8 par sechage/calcination desdits concentres.
US8628733B2 (en) 2008-11-07 2014-01-14 Areva Nc Method for preparing uranium concentrates by fluidized bed precipitation, and preparation of UO3 and U3O8 by drying/calcining said concentrates
AU2008363967B2 (en) * 2008-11-07 2015-02-12 Areva Nc Method for preparing uranium concentrates by fluidised bed precipitation, and preparation of UO3 and U3O8 by drying/calcining said concentrates
EA022535B1 (ru) * 2008-11-07 2016-01-29 Арева Нс Способ производства уранового концентрата путём осаждения в псевдоожиженном слое и производство порошка uoи uoпутём сушки/прокаливания указанного концентрата

Also Published As

Publication number Publication date
CA1124988A (fr) 1982-06-08
FR2443424B1 (fr) 1981-11-06
BR7908001A (pt) 1980-07-22
US4352857A (en) 1982-10-05
ZA796653B (en) 1980-11-26
MA18669A1 (fr) 1980-07-01
EP0014296B1 (fr) 1982-05-12
EP0014296A1 (fr) 1980-08-20
DE2962845D1 (en) 1982-07-01

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Legal Events

Date Code Title Description
TP Transmission of property
CA Change of address
CD Change of name or company name
CL Concession to grant licences
ST Notification of lapse